Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 7:39 am CDT Sep 16, 2025 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday 40% chance of on Friday 40% chance of rain on Saturday 20% chance of on Sunday Partly Sunny on Monday
High: 92°F Low: 58°F High: 90°F High: 92°F High: 85°F High: 84°F High: 84°F High: 85°F
Low: 60°F Low: 63°F Low: 61°F Low: 62°F Low: 64°F  
Sunny Mostly Clear Sunny Sunny Partly Sunny Rain Partly Sunny Partly Sunny
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Current Conditions at
GALESBURG - (KGBG)
64°
Clear
as of 7:15 AM CDST
Rel. Humidity: 77%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
63°
Clear
as of 6:54 AM CDST
Rel. Humidity: 82%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
5 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
59°
Clear
as of 7:15 AM CDST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
59°
Clear
as of 7:15 AM CDST
Rel. Humidity: 87%
Dew Point: 55°F
Visibility: 7 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 92. East northeast wind 3 to 6 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 58. East wind 3 to 6 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 90. Light east northeast wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 60. Light east northeast wind.
Sunny on Thursday Thursday... Sunny, with a high near 92. Calm wind becoming south southeast around 6 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 63. East southeast wind 3 to 5 mph.
40% chance of Friday Friday... A 40 percent chance of showers. Partly sunny, with a high near 85. South wind 3 to 6 mph.
40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
40% chance of rain Saturday Saturday... A 40 percent chance of showers. Mostly sunny, with a high near 84.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of showers before 1am. Partly cloudy, with a low around 62.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 84.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 64.
Partly Sunny on Monday Monday... Partly sunny, with a high near 85.
Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 06:43 AM
Sunset: 7:07 PM
Civil Sunrise:06:15 AM
Civil Sunset: 7:35 PM
Nautical Sunrise: 05:43 AM
Nautical Sunset: 8:07 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 8:40 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.